71554640

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3229}}^1$

素因数の和:3519

約数の個数: 40

約数和(自身を含む): 167016840

約数和(自身を除く): 95462200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1385, 2216, 2770, 3229, 4432, 5540, 6458, 11080, 12916, 16145, 22160, 25832, 32290, 51664, 64580, 129160, 258320, 894433, 1788866, 3577732, 4472165, 7155464, 8944330, 14310928, 17888660, 35777320, 71554640]

約数ペア:

[(1, 71554640), (2, 35777320), (4, 17888660), (5, 14310928), (8, 8944330), (10, 7155464), (16, 4472165), (20, 3577732), (40, 1788866), (80, 894433), (277, 258320), (554, 129160), (1108, 64580), (1385, 51664), (2216, 32290), (2770, 25832), (3229, 22160), (4432, 16145), (5540, 12916), (6458, 11080)]